it.unimi.dico.islab.idbs2.kc.session

Class TermManager

java.lang.Object

it.unimi.dico.islab.idbs2.kc.session.TermManager

public class TermManager
extends Object

Manages object saving and querying for Term wrapper. This class contains most used interrogations (such as getTermById.

IMPORTANT: this class has no public constructor. A singleton instance of this class is contained in KCSessionManager class

Author:

Vegeziel

See Also:

Term

Method Summary

Methods

Modifier and Type	Method and Description
Term	getTermById(Integer id) Returns a Term given its id.
Term	getTermByKcValue(KnowledgeChunk own, String value) Returns a Term given the owner KnowledgeChunk and its String value.
protected static TermManager	getTermManager()
boolean	removeTerm(Term t) Perform the same operation of removeTermById() using the identifier of t.
Boolean	removeTermById(Integer id) Removes the EsTerm having id as identifier.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getTermManager

protected static TermManager getTermManager()

getTermById

public Term getTermById(Integer id)

Returns a Term given its id.

Parameters:

id - the identifier of the required Term.

Returns:

the required Term having id as identifier if such Term exists, null otherwise.

getTermByKcValue

public Term getTermByKcValue(KnowledgeChunk own,
                    String value)

Returns a Term given the owner KnowledgeChunk and its String value.

Parameters:

own - The KnowledgeChunk that should have this Term in its Terminological equipment.

value - The term value. This is the "keyword" connected to the own kc.

Returns:

the found Term or null if such Term doesn't exist.

removeTermById

public Boolean removeTermById(Integer id)

Removes the EsTerm having id as identifier.

Parameters:

id - the identifier of the term to be removed.

Returns:

• true: if the term with the given identifier has been correctly removed.
• false: if the operation failed (no term removed or more than one term removed).

removeTerm

public boolean removeTerm(Term t)

Perform the same operation of removeTermById() using the identifier of t.

Parameters:

t - the EsTerm instance representing the term to be removed.

Returns:

• true: if the term t has been correctly removed.
• false: if the operation failed (no term removed or more than one term removed).

See Also:

removeTermById(Integer)